GHS Classification Result

Chemical Name：Trichloro(methyl)silane
CAS：75-79-6

Result：
ID: 21A3557
Classifier: Ministry of Health, Labour and Welfare （MHLW）, Ministry of the Environment （MOE）
Year Classified: FY2009
Reference Manual: GHS Classification Guidance by the Japanese Government （March, 2009）

PHYSICAL HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Explosives Not applicable - - - - There are no chemical groups associated with explosive properties present in the molecules.
2 Flammable gases （including chemically unstable gases） Not applicable - - - - Liquid (GHS definition)
3 Aerosols Not applicable - - - - Not aerosol products.
4 Oxidizing gases Not applicable - - - - Liquid (GHS definition)
5 Gases under pressure Not applicable - - - - Liquid (GHS definition)
6 Flammable liquids Category 2 Danger H225: Highly flammable liquid and vapour P303+P361+P353: IF ON SKIN （or hair）: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P370+P378: In case of fire: Use ... for extinction.
P403+P235: Store in a well-ventilated place. Keep cool.
P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P233: Keep container tightly closed.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof electrical/ventilating/lighting/.../equipment.
P242: Use only non-sparking tools.
P243: Take precautionary measures against static discharge.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P501: Dispose of contents/container to ... 		Classified into Category 2 since flash point -15 degC (closed-cup) (IUCLID (2000)) is <23 degC and initial boiling point 47.8 degC (Howard (1997)) is >35 degC. The substance is classified into Class 3, UN Subsidiary risk 8, PG II in UNRTDG (UN1250).
7 Flammable solids Not applicable - - - - Liquid (GHS definition)
8 Self-reactive substances and mixtures Not applicable - - - - There are no chemical groups present in the molecule associated with explosive or self-reactive properties.
9 Pyrophoric liquids Not classified - - - - Auto-ignition point is 404 degC (Hommel (1996)), 490 degC (ICSC (2002)) exceeding 70 degC.
10 Pyrophoric solids Not applicable - - - - Liquid (GHS definition)
11 Self-heating substances and mixtures Classification not possible - - - - Test methods applicable to liquid substances are not available.
12 Substances and mixtures which, in contact with water, emit flammable gases Not classified - - - - Classified into Not classified since the substance is classified into Class 3, Subsidiary risk 8, PG II in UNRTDG (UN1250) though it contains metalloids (Si), further the substance decomposes on contact with water and gas formed is hydrogen chloride (IMDG Code) and not combustible gas.
13 Oxidizing liquids Not classified - - - - Flammable liquid (ICSC (J) (2002))
14 Oxidizing solids Not applicable - - - - Liquid (GHS definition)
15 Organic peroxides Not applicable - - - - Organic compounds containing no bivalent -O-O- structure
16 Corrosive to metals Classification not possible - - - - No data available. Information is available that the substance is corrosive and combustible liquid and corrodes many metals (Hommel (1996)).

HEALTH HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Acute toxicity （Oral） Category 4 Warning H302: Harmful if swallowed P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P330: Rinse mouth.
P501: Dispose of contents/container to ... 		Based on a LD50 value of 0.8 g/kg bw for rats (PATTY (5th, 2001)), the substance was classified into Category 4.
1 Acute toxicity （Dermal） Category 4 Warning H312: Harmful in contact with skin P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P322: Specific treatment （see ... on this label）.
P363: Wash contaminated clothing before reuse.
P501: Dispose of contents/container to ... 		Based on LD50 values of 1.41 mL/kg (1791 mg/kg) (male) and 0.84 mL/kg (1067 mg/kg) (female) for rabbits (RTECS (2008), the original literature: Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) 12, 571 (1993)), the substance was classified into Category 4.
1 Acute toxicity （Inhalation: Gases） Not applicable - - - - Liquid (GHS definition)
1 Acute toxicity （Inhalation: Vapours） Classification not possible - - - - Classification not possible due to lack of data. As relevant information, there is information of LC50 values for rats: 404 ppm (GESTIS (access on Aug. 2009) and 450 ppm (RTECS (2008)). Since the LC50 value was lower than 90% of saturated vapour pressure concentration (219,737 ppm), the test was considered to be conducted for vapour with almost no included mists.
1 Acute toxicity （Inhalation: Dusts and mists） Classification not possible - - - - No data available.
2 Skin corrosion/irritation Category 1 Danger H314: Causes severe skin burns and eye damage P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353: IF ON SKIN （or hair）: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P264: Wash ... thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P310: Immediately call a POISON CENTER or doctor/physician.
P321: Specific treatment （see ... on this label）.
P363: Wash contaminated clothing before reuse.
P405: Store locked up.
P501: Dispose of contents/container to ... 		Based on a result of "corrosive" in a rabbit test (IUCLID (2000)) and "causes severe skin burns" as a human health effects (HSDB (2007)), the substance was classified into Category 1. As relevant information, in EU classification, the substance is classified into Xi: R36/37/38 (EU-Annex I (access on Aug. 2009)).
3 Serious eye damage/eye irritation Category 1 Danger H318: Causes serious eye damage P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P310: Immediately call a POISON CENTER or doctor/physician. 		Based on a result of "severe damage" in a rabbit test (HSDB (2007)) and a report of "causes severe eye burns" as a human health effect (HSDB (2007)), the substance was classified into Category 1. As relevant information, in EU classification, the substance is classified into Xi; R36/37/38 (EU-Annex I (access on Aug. 2009)).
4 Respiratory sensitization Classification not possible - - - - No data available.
4 Skin sensitization Classification not possible - - - - No data available.
5 Germ cell mutagenicity Not classified - - - - Based on negative results in intraperitoneal injection male rat dominant lethal test (in vivo heritable germ cell mutagenicity tests) and bone marrow chromosomal aberration test (in vivo somatic cell mutagenicity tests) (HSDB (2007)), the substance was classified as "Not classified". As relevant information, from in vitro mutagenicity test, there are reports of a negative Ames test (HSDB (2007)) and a negative mouse lymphoma cells chromosomal aberration test (HSDB (2007)).
6 Carcinogenicity Classification not possible - - - - No data available.
7 Reproductive toxicity Classification not possible - - - - No data available.
8 Specific target organ toxicity - Single exposure Category 3 （Respiratory tract irritation） Warning H335: May cause respiratory irritation (respiratory tract irritation) P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P405: Store locked up.
P501: Dispose of contents/container to ... 		Based on reports that the substance is "Irritating to skin, eyes, and respiratory system. Inhalation cause burning sensation, cough, sore throat, and labored breathing. Symptoms may be delayed" (HSDB (2007)) and classification into Xi; R36/37/38 in EU classification, the substance was classified into Category 3 (respiratory tract irritation).
9 Specific target organ toxicity - Repeated exposure Classification not possible - - - - No data available.
10 Aspiration hazard Classification not possible - - - - No data available.

ENVIRONMENTAL HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
11 Hazardous to the aquatic environment （Acute） Classification not possible - - - - No data available.
11 Hazardous to the aquatic environment （Long-term） Classification not possible - - - - No data available.


NOTE:
* Classification was conducted by relevant Japanese Ministries in accordance with GHS Classification Guidance for the Japanese Government, and is intended to provide a reference for preparing GHS labelling and SDS for users.
* This is a provisional English translation of classification results and is subject to revision without notice.
* The responsibility for any resulting GHS labelling and SDS referenced from this site is with users.

Reference：
Reference Manual
Definitions / Abbreviations
Model Label by MHLW

 MHLW Website （in Japanese Only）
Model SDS by MHLW

 MHLW Website （in Japanese Only）

To GHS Information